Adjacent Words
Back blocksback brace
back breaker
back burner
back catalogue
back channel
Back charge
Back charges
back circle
back copy
back country
back dive
back door
Back Door Cold Front
back down
back end
back entrance
back exercise
Back filling
Back fire
back into
back issue
back judge
back matter
back mutation
back number
back of
back of beyond
back of one's hand
back of one's mind
Full-text Search for "Back eccentric"
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Back eccentric definitions
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Webster's 1913 Dictionary
Eccentric Ec*cen"tric, n. 1. A circle not having the same center as another contained in some measure within the first. 2. One who, or that which, deviates from regularity; an anomalous or irregular person or thing. 3. (Astron.) (a) In the Ptolemaic system, the supposed circular orbit of a planet about the earth, but with the earth not in its center. (b) A circle described about the center of an elliptical orbit, with half the major axis for radius. --Hutton. 4. (Mach.) A disk or wheel so arranged upon a shaft that the center of the wheel and that of the shaft do not coincide. It is used for operating valves in steam engines, and for other purposes. The motion derived is precisely that of a crank having the same throw. Back eccentric, the eccentric that reverses or backs the valve gear and the engine. Fore eccentric, the eccentric that imparts a forward motion to the valve gear and the engine.
